condition mean min max ZT0-3 95.05 95.05 95.05 ZT4-7 129.9 129.9 129.9 ZT8-11 90.15 90.15 90.15 ZT12-15 90.6 90.6 90.6 ZT16-19 131.65 131.65 131.65 ZT20-23 154.5 154.5 154.5